feat(main_window): Hello World

tests/linphone.pro

+QT += core gui quick widgets
+
+TARGET = linphone
+TEMPLATE = app
+
+SOURCES += \
+  src/main.cpp \
+  src/views/main_window.cpp
+
+HEADERS += \
+  src/views/main_window.h
+
+RESOURCES += \
+  resources.qrc

tests/resources.qrc

+<!DOCTYPE RCC><RCC version="1.0">
+<qresource prefix="/">
+  <file>ui/main_window.qml</file>
+</qresource>
+</RCC>

tests/src/main.cpp

+#include <cstdlib>
+
+#include <QGuiApplication>
+#include <QQmlApplicationEngine>
+
+int main (int argc, char *argv[]) {
+  QGuiApplication app(argc, argv);
+  QQmlApplicationEngine engine(QUrl("qrc:/ui/main_window.qml"));
+
+  if (engine.rootObjects().isEmpty())
+    exit(EXIT_FAILURE);
+
+  exit(app.exec());
+}

tests/src/views/main_window.cpp

+#include "main_window.h"

tests/src/views/main_window.h

+#ifndef MAIN_WINDOW_H
+#define MAIN_WINDOW_H
+
+
+#endif // MAIN_WINDOW

tests/ui/main_window.qml

+import QtQuick 2.5
+import QtQuick.Window 2.2
+
+Window {
+    visible: true
+    width: 800
+    height: 600
+
+    Text {
+        anchors.centerIn: parent
+        text: "Hello World!"
+    }
+}